Denial-of-Service Vulnerability in libcurl's CURLOPT_CERTINFO Option

CVE-2022-27781 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation.

Learn more about our Cis Benchmark Audit For Server Software.